Summary

This is the last knob I designed. It has the base slightly bigger, 22mm, the other dimensions are standard.
This week there is no video so you can watch the one from the last week:
https://youtu.be/Z7pjYoSUamI
The photoresistor meter Ep.2:
https://youtu.be/ut8y3lxsCXE
Or the last pedal upgrade:
https://youtu.be/80Ym-UAJREU